Meet Our Associates
Clinical Team

Graham Ross Ph.D.
Registered Psychologist & Co-Director
Graham Ross is a co-founder and director of ECSS. He is a Registered Psychologist who works in the areas of counselling and psychological assessment. He provides therapy services to adults and adolescents in a number of areas, including return to work. He is also active in the DBT program at ECSS. He provides a variety of assessment services to individuals as well as to third parties.
Graham received his Ph.D. from the University of Alberta. He has been a Registered Psychologist since 1981. He has also received additional training in Family Systems Therapy, Solution-Focused Therapy, Trauma, Forensics, and DBT. He has extensive experience working with adolescents and adults within community and institutional settings, as well as with individuals who require mental health support as part of their return-to-work process. Graham conducts assessments related to cognitive functioning, parenting capacity, forensics, and mental health.
Areas of focus:
- Individual therapy with adolescents and adults
- Therapy for relationship issues, anxiety, depression, trauma, and DBT
- Supports clients in Return-to-work
- Psychological assessments related to cognitive and behaviour disorders, parenting capacity, mental health, and forensics

Patricia Schuster M.Ed.
Registered Psychologist & Co-Director
Patricia Schuster is a co-founder and director of ECSS. She is a Registered Psychologist who works in the areas of counselling and psychological assessments. She provides individual counselling to adults and adolescents. She specializes in working with individuals who struggle with relationship problems, grief and loss, family of origin issues, addictions, healthy boundaries, trauma, and a variety of other mental health concerns. Patricia also provides direct supervision and training regarding assessment and counselling to the provisional registered psychologists on staff.
Patricia received her Master of Education Degree in Assessment and Counselling Psychology from the University of Alberta. She has also received additional training in Family Systems Therapy, Marital Therapy, Solution-Focused Therapy, and Trauma. She has extensive experience working with children, adolescents, and adults within community and institutional settings, as well as with individuals who require mental health support as part of their return-to-work process. Patricia conducts assessments related to cognitive and executive functioning (ADHD), and mental health, as well as learning and behavioural disorders.
Areas of focus:
- Individual therapy with children, adolescents, and adults
- Therapy in the areas of addiction, grief and loss, relationship issues, anxiety, depression, boundary setting, trauma, and others
- Supports clients in Return-to-work
- Psychological assessments related to cognitive and executive functioning, learning and behaviour disorders, and mental health

Aaryn Viczko M.A.
Registered Psychologist
Aaryn Viczko is a Registered Psychologist who works in the areas of counselling and psychological assessments. She provides individual counselling to adults and adolescents and specializes in working with individuals who struggle with a variety of mental health disorders including personality, mood, and substance use disorders.
Aaryn received her Master of Arts in Forensic Psychology from John Jay College of Criminal Justice. She has also received additional training in Dialectical Behaviour Therapy (DBT) and Cognitive Processing Therapy (CPT), a therapy intervention for individuals with trauma. She has experience working with adults and adolescents both within community and institutional settings, as well as with individuals who require mental health support as part of their return-to-work process.
Aaryn also provides counselling to individuals involved in our Dialectical Behavioural Therapy Program.
Aaryn conducts assessments in the areas of parenting capacity with a focus on risk, mental health, secure service orders, and risk assessment for adult and youth populations.
Areas of focus:
- Individual therapy with adults and adolescents
- Therapy in the areas of addiction, personality disorders, trauma, emotion dysregulation, cognitive disability and others
- Dialectical Behaviour Therapy
- Supports clients in Return-to-work
- Psychological assessments related to parenting capacity, mental health, offender risk assessment

Allison McNeil Ph.D.
Registered Psychologist
Allison McNeil is a Registered Psychologist who works in the areas of psychological assessment and counselling. She brings expertise in assessment including complex cases, learning problems (psychoeducational), and mental health and/or behavioural concerns for all ages. Allison provides individual counselling for children, adolescents, and young adults and specializes in treating emotion dysregulation (e.g., ADHD), anxiety, and depression. She works primarily from a cognitive-behavioural lens (i.e., CBT).
Allison received her Ph.D. from the University of Alberta with a dual specialization in School and Clinical Child Psychology. Her doctoral residency focused on neurodevelopmental disorders (e.g., ADHD, learning disabilities, autism, FASD) and neuropsychological evaluations. She is a co-author on multiple published research papers and is an Adjunct Community Colleague at the University of Alberta where she teaches and supervises graduate students. Allison has a passion for strength-based practice and individualizes her assessment and treatment approaches to match the unique needs of her clients. She also conducts parenting and risk assessments.
Areas of focus:
- Psychological assessments for clients with complex concerns, learning problems (psychoeducational), mental health or behavioural concerns (e.g.,ADHD), parenting capacity, risk assessment
- Individual therapy with children, adolescents, and young adults
- Therapy in the areas of anxiety, depression, and emotion dysregulation (e.g., ADHD, low frustration tolerance), and other areas

Barb Gladdish M.C.
Registered Provisional Psychologist
Barb Gladdish is a Registered Provisional Psychologist who provides individual counselling for adults and adolescents. She works from a strengths-based perspective and specializes in supporting individuals with a history of trauma, relationship violence, anxiety, depression, grief and loss, and individuals who are navigating life transitions.
Barb received her Master of Counselling Psychology from the Athabasca University. She has received additional training in Dialectical Behaviour Therapy (DBT) and Trauma Informed Practices. She also supports individuals who require mental health support as part of their return-to-work process. In addition, Barb provides counselling to individuals involved in our Dialectical Behavioural Therapy Program. She is also engaged in training to develop her skills in psychological assessment.
Areas of focus:
- Individual therapy with adults and adolescents
- Therapy in the areas of anxiety, depression, boundary setting, trauma, and others
- Dialectical Behaviour Therapy
- Supports clients in Return-to-work

Cindy Nguyen M.Psy
Registered Provisional Psychologist
Cindy Nguyen is a Registered Provisional Psychologist who conducts psychoeducational assessments.
She received her Master of Psychology degree from Adler Graduate Professional School. She has experience providing psychoeducational and psychological assessments to adults, children, and adolescents. Her primary focus is psychoeducational assessments to help support individuals in both school and home environments.
Areas of focus:
- Psychoeducational assessments
- Comprehensive assessments

Dina Gerwing M.Ed.
Registered Psychologist
Dina Gerwing is a Registered Psychologist who works in the areas of counselling and psychoeducational assessments. She provides individual counselling to children, incorporating play therapy activities to increase their emotional identification and regulation, and to help them process difficult situations. She also uses Theraplay activities to strengthen relationships between children and their caregivers.
Dina received her Master of Education Degree in Educational Psychology from the University of Alberta and a Graduate Certificate in Assessment from Concordia University of Edmonton. She has completed additional training in Theraplay. Dina has experience working with children with special needs in various settings, such as schools and daycares. Dina conducts psychoeducational assessments to identify cognitive and academic strengths and weaknesses, as well as neurodiverse conditions such as Specific Learning Disorders and Attention/Deficit-Hyperactivity Disorder (ADHD).
Areas of focus:
- Individual therapy with children and their caregivers in the areas of emotional regulation, social skills development, anxiety, and reunification
- Therapy in the areas of emotional regulation, social skills development, grief/loss, anxiety, and depression, among others
- Play therapy activities including metaphorical play and bibliotherapy
- Psychoeducational assessments related to cognitive and academic abilities, behavioural and emotional functioning, executive functioning, and adaptive functioning
- Familiarity with students involved in home education/homeschooling

Gabe Mandel M.Ed.
Registered Psychologist
Gabe Mandel is a Registered Psychologist who works in the areas of counselling and psychological assessment. He offers individual counselling with adults and adolescents, specializing in working with individuals who struggle with trauma, stress, school-related problems, and mental health issues.
Gabe holds a Master of Education Degree from the School/Applied Child Psychology program at the University of Calgary. He has also received additional training in Dialectical Behaviour Therapy (DBT) and Eye-Movement Desensitization and Reprocessing (EMDR) therapy. He has experience working with youth and adults in a variety of settings, including communities, schools, and institutions. He supports individuals in their return-to-work process and accepts third-party referrals (e.g., insurance, Children Services, etc.). Gabe is highly involved in our adult DBT and DBT-Adolescent programs and has an interest in helping individuals reprocess their trauma from an EMDR approach. In the area of assessment, Gabe conducts assessments related to psychoeducational and cognitive issues as well as ADHD, comprehensive mental health, and program-eligibility (e.g., AISH or PDD).
Areas of focus:
- Individual therapy with adults and adolescents
- Supports clients in Return-to-work and accepts third-party referrals
- Therapy in the areas of trauma, anxiety, depression, emotion regulation, and more
- Highly involved in the Dialectical Behaviour Therapy program
- Psychological assessments related to school difficulties (e.g., learning disorders), cognitive and executive functioning (e.g., ADHD), comprehensive mental health, program-eligibility (e.g., AISH)

Jennifer Kees M.Ed.
Registered Psychologist
Jennifer Kees is a Registered Psychologist who works in the areas of counselling and psychological assessments. She provides individual counselling to adults and adolescents and specializes in working with individuals who struggle with addictions, healthy boundaries, trauma, and a variety of other mental health issues.
Jennifer received her Master of Education Degree in Counselling Psychology from the University of Alberta. She has also received additional training in Dialectical Behaviour Therapy (DBT) and EMDR (Basic training), a therapy intervention for individuals with trauma. She has experience working with adults and adolescents both within community and institutional settings, as well as with individuals who require mental health support as part of their return-to-work process. In addition, Jennifer provides counselling to individuals involved in our Dialectical Behavioural Therapy Program. Jennifer conducts assessments in the areas of parenting capacity, mental health, secure service orders, and risk assessments for offender populations.
Areas of focus:
- Individual therapy with adults and adolescents
- Therapy in the areas of addiction, anxiety, depression, boundary setting, trauma, and others
- Dialectical Behaviour Therapy
- Supports clients in Return-to-work
- Psychological assessments related to parenting capacity, mental health, offender risk assessment

Justin Witzke M.Sc.
Registered Psychologist
Justin Witzke is a Registered Psychologist who works primarily in the area of school assessments. He provides assessments in the areas of mental health, parenting capacity, psycho-educational, and functional capacity. He also maintains a small counselling caseload.
Justin received his Master of Science Degree in School and Applied Child Psychology from the University of Calgary. He has also received additional training in Dialectical Behaviour Therapy (DBT) and various assessment tools. In addition to school assessments, Justin also does parenting capacity and risk assessments. He has experience working with populations in various areas including schools, communities, federal institutions, and private settings. Justin’s primary areas of specialty are in assessment for Specific Learning Disorders and ADHD. He also works with children with a wide variety of social and emotional struggles.
Areas of focus:
- Functional capacity assessments focused on eligibility for AISH and PDD
- Parenting capacity assessments
- Psycho-educational assessments with a strengths-based approach
- Providing therapy and implementing recommendations with children and adolescents

Leigh Yang M.A.
Registered Provisional Psychologist
Leigh Yang is a Registered Provisional Psychologist who provides counselling and assessment services. She provides individual counselling to children, adolescents, and adults.
Leigh received her Master of Arts Degree in School Psychology from the University of British Colombia. She has also received additional training in Dialectical Behaviour Therapy (DBT) and Motivational Interviewing. She has experience working with individuals with diverse needs in community and school settings, as well as with individuals who require mental health support as part of their return-to-work process. She is involved in our Dialectical Behavioural Therapy Program as a group facilitator, skills trainer, and therapist. Leigh conducts assessments in the areas of psychoeducation and mental health and is building skills in parenting capacity assessments.
Areas of focus:
- Individual therapy with adults, adolescents, and children
- Therapy in the areas of emotional regulation, social skills development, grief/loss, anxiety, depression, and others
- Dialectical Behaviour Therapy
- Supports clients in Return-to-work
- Psychological assessments related to psychoeducation, program eligibility, mental health

Nicole Kostiuk Ph.D.
Registered Psychologist
Nicole Kostiuk is a Registered Psychologist who works mainly in the area of psychological assessment, but also provides group therapy.
Nicole received her Ph.D. in Counselling Psychology from the University of Alberta and a Post-Doctoral Certificate in Clinical Neuropsychology from Fielding Graduate University. She provides neuropsychological assessments to adult and geriatric populations, specializing in determining changes in functioning as a result of age or disease process, impact of mental health diagnoses, and/or traumatic brain injury. Nicole has also received additional training in Dialectical Behaviour Therapy (DBT). She has experience working with adults in in-patient psychiatric settings and the community. In addition to providing assessment services, Nicole also facilitates group therapy programs for individuals struggling with emotion dysregulation.
Areas of focus:
- Neuropsychological assessment with adults and geriatric populations focusing on changes in functioning
- Group therapy for individuals with emotion regulation difficulties

Annie Coykendall M.A.
Registered Psychologist
Annie Coykendall is a Registered Psychologist who works in the areas of counselling and psychoeducational assessments. She does individual counselling with adults, adolescents, and children, and primarily works with individuals who struggle with emotional dysregulation, depression, anxiety, and a variety of other mental health issues.
Annie received her Master of Arts Degree in Counselling Psychology from Yorkville University. She has also received additional training in Dialectical Behaviour Therapy (DBT), Narrative Therapy, and Theraplay (Level 1). She has experience working with children, adolescents and adults within community , institutional, and school settings. She also works with individuals who require mental health support as part of their return-to-work process. In addition, Annie provides therapy to individuals involved in our adult and adolescent Dialectical Behavioural Therapy Programs. Annie resides in Vancouver and is available for virtual therapy services.
Areas of focus:
- Individual therapy with adults, adolescents, and children
- Therapy in the areas of emotion dysregulation, anxiety, depression, and others
- Dialectical Behaviour Therapy (adult and adolescent)
- Psychoeducational assessments

Shandra Klausing M.C.
Registered Provisional Psychologist
Shandra Klausing is a Registered Provisional Psychologist who works in the areas of counselling and psychoeducational assessments. She provides individual counselling to adults, adolescents and children and specializes in working with individuals who struggle with emotion regulation, anxiety, depression, addiction, trauma, and a variety of other mental health issues.
Shandra received her Master of Counselling Psychology from Athabasca University. She has experience working with adults, adolescents and children within the community and school system. In addition, Shandra provides counselling to individuals involved in our Dialectical Behavioural Therapy Program.
Areas of focus:
- Individual therapy with adults, adolescents, and children.
- Therapy in the areas of emotion regulation, anxiety, depression, trauma, and others
- Facilitation of DBT Group Therapy
- Dialectical Behaviour Therapy
- Supports clients in Return-to-work
Administrative Team

Deborah Fladager
Deborah, CPA-CMA is the accountant for ECSS and she works in the background with the other office personnel to help ECSS run a well-oiled machine. She has been with the company for over 17 years and enjoys the atmosphere of the office and the positivity of the staff.

Jordana Spak
Jordana is part of the administrative team and provides consistent and high-quality clerical support. She is an enthusiastic team member with a willingness to make a positive mark.

Jenna Klemka
Jenna brightens the team with her positive, ambitious attitude. Experienced as the first point of contact, Jenna takes pride in contributing to improving the quality of life for those that need it most. She provides both administrative and scoring support for the psychologists at ECSS.